MyRecordings2010

This collection of audio highlights is extracted from recording sessions conducted over the course of 2010, mainly in the Monongahela National Forest of West Virginia.

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Two loud owl hoots seemingly in response to my earlier knocks and vocals, recorded March 20, 2010, then my vocal response, a wood knock of unknown origin, and then my three rock clacks.  462k v. 5 Mar 25, 2010, 7:28 PM Mononga Hela
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Whoop-like vocals and wood knocks recorded March 20, 2010. Only the very last vocals in this recording were loud enough to be heard by ear.  1416k v. 1 Mar 22, 2010, 6:58 PM Mononga Hela
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Distant "woo" vocalizations and wood knocks recorded March 20, 2010. Only the loudest were discernible to the ear at the time.   940k v. 3 Mar 25, 2010, 7:14 PM Mononga Hela
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A double bark vocal, one of many heard on March 20, 2010.   128k v. 1 Mar 25, 2010, 7:14 PM Mononga Hela
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These loud "oowoo" vocals, with faint, intermittent wood knocks occurred throughout the evening of March 20, 2010. The raw recordings sound like owl hoots, but noise filtering reveals the voice-like nature of the calls.    1065k v. 3 Mar 27, 2011, 6:47 PM Mononga Hela
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A strange chattering vocal was recorded repeatedly during the evening March 20, 2010. I suspect owls may be the source but can't be sure.   316k v. 2 Mar 28, 2010, 12:47 PM Mononga Hela
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This snippet from the early hours of March 21, 2010 was moderately filtered to make plain the vocal, wood knock, and then chatter that was captured by the in-camp recorder.  205k v. 3 Mar 28, 2010, 1:02 PM Mononga Hela
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Another example of the continuous "oowoo" howl vocals and occasional wood knocks that occurred near camp during the early hours of March 21, 2010   127k v. 4 Mar 27, 2011, 6:55 PM Mononga Hela
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An interesting snippet from the camp recorder on March 21, 2010. This begins with a wood knock, the familiar "oowoo" howl vocal at and then a longer descending howl at the end.    189k v. 5 Mar 27, 2011, 6:59 PM Mononga Hela
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This is an unusual and exciting clip that contains an initial double "click" sound, a half dozen or more rapid woody notes (almost like a xylophone), and then ends with a solid wood knock. The woody notes in the middle are very unusual. March 21, 2010, in-camp recorder.  127k v. 2 Mar 28, 2010, 1:11 PM Mononga Hela
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Two calls in the distance, at the beginning and end of this segment. One loud stick slap is heard somewhere within close proximity of the in-camp recorder (not a fire pop as the fire was completely doused). Early morning hours, March 21, 2010.  256k v. 2 Mar 28, 2010, 1:13 PM Mononga Hela
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A good example of one of the several wood knocks recorded throughout the evening of March 20/21, 2010. This one seems to be in the middle distance, not too far away yet not too close to camp either. A hint of echo is detectable.  79k v. 2 Mar 28, 2010, 1:15 PM Mononga Hela
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Another crisp sounding wood knock, this one closer to camp than most heard throughout the evening of March 20/21, 2010  79k v. 2 Mar 28, 2010, 1:16 PM Mononga Hela
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Another example of the pace at which the double note "oowoo" howls occurred in the morning hours of March 21, 2010.  784k v. 5 Mar 27, 2011, 7:03 PM Mononga Hela
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Two part vocalizations recorded in the Monongahela National forest in the morning hours of March 21, 2010. Nicknamed "oowoo" vocals, these calls first descend in tone, and then some times rise at the end, in a whoop-like fashion.   1488k v. 2 Mar 27, 2011, 7:08 PM Mononga Hela
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This longer sample is a good representation of the pace at which these "oowoo" howl vocals occurred, off and on, nearer and farther, during the evening hours of March 20, 2010 and into the early morning hours of March 21.  There's also a faint whoop at the 46 second mark.   1488k v. 5 Mar 27, 2011, 7:09 PM Mononga Hela
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A whoop and several wood knocks, captured on April 2nd, 2010, in the Monongahela National Forest. These originated from the ridge south of camp.    313k v. 4 May 25, 2010, 9:08 AM Mononga Hela
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Rapid wood knocks captured at 12:34 AM, April 3, 2010, in the Monongahela National Forest.   95k v. 2 May 23, 2010, 6:26 PM Mononga Hela
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Several rapid stick knocks captured in the Monongahela National Forest, at 12:34 a.m. on April 3rd, 2010.  125k v. 1 Apr 29, 2010, 7:41 PM Mononga Hela
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A study from a short excursion into the Monongahela National Forest on May 15, 2010. During this walk the recorder picked up vocalizations, a grunt/growl, stick knocks, and sounds of movement in the forest nearby.  892k v. 1 Jun 6, 2010, 6:58 AM Mononga Hela
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A distant, flat howl, at about 490Hz was captured at 11:13PM in the Monongahela National Forest, June 11th, 2010.  206k v. 1 Jun 13, 2010, 12:13 PM Mononga Hela
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A vocal and wood knock response to my own whoop and wood knock, captured in the Monongahela National Forest at sundown on July 2, 2010  292k v. 1 Jul 8, 2011, 9:03 PM Mononga Hela
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A loud return knock, and two softer knocks, in response to our first whoop and knock in the Cherokee National Forest, Tennessee, Sep. 30, 2010  472k v. 1 Oct 9, 2010, 6:24 AM Mononga Hela
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Wood knocks and conversation before and throughout an eye shine encounter during the 2010 BFRO expedition in Tennessee  10651k v. 2 Oct 13, 2010, 7:51 PM Mononga Hela
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Distant knocks and a faint whoop, captured in the early morning hours of October 3, 2010, in the Cherokee National Forest, Tennessee  158k v. 1 Oct 9, 2010, 6:22 AM Mononga Hela
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A faint wood knock and descending vocal, captured on a parabolic mic after sunset on 19NOV10, in the Monongahela National Forest.  143k v. 1 Nov 22, 2010, 11:21 AM Mononga Hela
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A refiltered version of the vocal captured on 19NOV10 in the Monongahela National Forest. This version makes the three or four phonemes just before the loud call a little more audible, and visible in a spectrogram.  143k v. 2 Nov 23, 2010, 11:42 AM Mononga Hela
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March 20, 2010, 13 minutes after starting the recorder, and 6 minutes after I drove away, these distant wood knocks were captured by the parabolic mic. 2:29PM, March 20, 2010  79k v. 3 Apr 7, 2010, 7:24 PM Mononga Hela
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Not very clear, but a good example of what distant wood knocks can sound like, and what to pay attention to, these occured at 5:13PM, March 20, 2010  111k v. 2 Apr 6, 2010, 6:31 PM Mononga Hela
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Very close to the noise floor, and difficult to discern, but representative of many suspect vocals that may be captured with sensitive equipment. This up-whoop and wood knock was heard by the parabolic mic at 6:06 PM, March 20, 2010  80k v. 1 Apr 6, 2010, 6:36 PM Mononga Hela
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These knocks were captured at 7:30PM, just as I was driving up to check on the parabolic mic and recorder. Speculation might suggest my arrival was being announced. March 20, 2010   159k v. 2 Aug 16, 2010, 4:39 PM Mononga Hela
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Just 90 seconds after I started my vehicle and drove away, these soft huffing/wooting vocals were captured. A faint wood knock is heard just after the 2 second mark. 7:38 PM, March 20, 2010   159k v. 2 Aug 16, 2010, 4:44 PM Mononga Hela
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Beginning at 9:09, these bark-like vocals began, and continued off and on over the next three hours. Note how barks toward the end of the recording take on an upward note, sounding like "ooaaa". March 20, 2010   994k v. 3 May 8, 2010, 8:50 PM Mononga Hela
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As the barks continue on, they continue to show more of the characteristics of an ascending whoop. 9:18, March 20, 2010.  96k v. 1 Apr 6, 2010, 7:09 PM Mononga Hela
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At 9:19PM this loud single owl hoot was heard. This "Big Owl" vocal would become a frequent sound over the course of that night, and several nights afterward. March 20, 2010  80k v. 1 Apr 6, 2010, 7:17 PM Mononga Hela
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A faint recording to be sure, but note worthy because this is the first instance of wood knocks associated with the vocalizer making the bark/whoop like sounds. Three quick wood knocks appear between 0:01 and 0:02 seconds, then a bark/whoop at 0:04 seconds and a short bark at 0:06 seconds. 9:21 PM, March 20, 2010  127k v. 1 Apr 6, 2010, 7:24 PM Mononga Hela
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Another important vocal, in similar fashion to the one above. This time the Big Owl lets out a hoot, which is immediately followed by a wood knock. The association of vocal to wood knock erodes the probability that this is an owl, but its not uniquely conclusive. 9:20 PM, March 20, 2010  80k v. 3 Apr 6, 2010, 7:49 PM Mononga Hela
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A third key section of audio which is the earliest suggestion that the two vocalizers are moving together. In this clip from 9:16PM the Big Owl issues a hoot, the barking vocalizer issues an ascending howl/bark, four rapid barks and faintly murmured vocals, another howl/bark, and then a repeat of the initial hoot.   315k v. 3 Jul 27, 2010, 7:06 PM Mononga Hela
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Another example of wood knocks associated with the Big Owl hoot, both before and after the vocal. 9:20 PM, March 20, 2010  80k v. 1 Apr 6, 2010, 8:07 PM Mononga Hela
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A single ascending bark/howl at 9:22PM, March 20, 2010  80k v. 1 Apr 6, 2010, 8:15 PM Mononga Hela
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Two ascending bark/howls, the first with a pulsing, ululating note, followed by a single bark. One of the earliest hints that this may not be a canine generated vocal. 9:13, March 20, 2010  158k v. 1 Apr 6, 2010, 8:22 PM Mononga Hela
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An ascending vocalization, likely from the same source as the bark/howl vocals. This sounds like a ululating up-whoop, with three distinct pulses of ascending sound. 9:15PM, March 20, 2010  80k v. 1 Apr 6, 2010, 8:27 PM Mononga Hela
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A longer series of howls and barks, overlapping each other, with a wood knock at the very end. 10:33PM, March 20, 2010  534k v. 2 Apr 7, 2010, 6:14 PM Mononga Hela
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A series beginning with a 3 tone howl, two loud barks, a fainter growl-like vocal at the 0:08 second point, followed by faint vocals between 0:12 and 0:15 seconds, and a final whoop at the 0:16 second mark. 10:34PM, March 20, 2010   283k v. 2 Apr 7, 2010, 6:44 PM Mononga Hela
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A four tone vocal made up of four barks that range up and down over the scale. 10:47PM, March 20, 2010  80k v. 2 Apr 7, 2010, 6:29 PM Mononga Hela
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A long howl, followed by a bark, and then a wood knock. 10:47PM, March 20, 2010  96k v. 2 Apr 7, 2010, 6:32 PM Mononga Hela
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A long series of howls and barks, apparently from two speakers as they often step on each other, which culminates in two whoops. 10:48PM, March 20, 2010  534k v. 3 Apr 7, 2010, 6:34 PM Mononga Hela
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This howl, whoop and then wood knock are closer to the noise floor of the recording, and background noise impacts the quality, but still worth a listen. 10:41PM, March 20, 2010   96k v. 3 Jul 27, 2010, 7:19 PM Mononga Hela
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A powerful howl and wood knock, followed by fainter vocals, and ending with an up-whoop. 10:47PM, March 20, 2010   236k v. 3 Apr 28, 2010, 6:22 PM Mononga Hela
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A good example of the two voices now working together. The Big Owl is no longer making short hoots, but longer howls. 10:36PM, March 20, 2010  80k v. 2 Apr 7, 2010, 6:38 PM Mononga Hela
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A very short upward woot like vocal. 10:41PM, March 20, 2010  80k v. 2 Apr 7, 2010, 6:40 PM Mononga Hela
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A cleaner version of the unique "wahoo" vocal captured at 11:23 PM on March 20, 2011 in the Monongahela National Forest. The aircraft noise is reduced to reveal more of the vocalization than could be heard before.  96k v. 1 Jul 2, 2011, 8:33 AM Mononga Hela
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One of the most unique vocals of the night, unlike the two vocalizers heard above, a higher pitch wahoo-like call is audible just after the rumble of a jet fades. 11:23PM, March 20, 2010   97k v. 6 Jul 27, 2010, 2:43 PM Mononga Hela
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Five rapid wood knocks, a pause, and then five more wood knocks in the same cadence. Captured at dawn, in a remote part of the Monongahela National Forest. April 25, 2010  158k v. 1 Apr 29, 2010, 6:49 PM Mononga Hela
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Recorded on a rainy morning in the Monongahela National Forest, this pair of Barred Owls makes some rather ape-like chatter and hoots.  703k v. 1 Apr 28, 2010, 6:09 PM Mononga Hela
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Captured on the fourth night of a long duration recorder deployment in the Monongahela National Forest. This clip captures the approach of some type of animal and its apparent investigation of the recording device. June 15/16, 2010  2425k v. 1 Jul 20, 2010, 2:46 PM Mononga Hela